Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 a5 0
2 h5 0
3 e5 0
4 Bc5 0
5 Rg8 0
6 Be7 0
7 Bb7 0
8 Rb8 0
9 d6 0
10 a6 0
11 Ba3 0
12 Bg7 0
13 Bb4 0
14 Ba6 0
15 d5 0
16 Bd6 0